42321213131432 has 16 divisors (see below), whose sum is σ = 79370845309140. Its totient is φ = 21155654382336.

The previous prime is 42321213131423. The next prime is 42321213131459. The reversal of 42321213131432 is 23413131212324.

It can be written as a sum of positive squares in 2 ways, for example, as 41774065917796 + 547147213636 = 6463286^2 + 739694^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 618986603 + ... + 619054970.

Almost surely, 2^{42321213131432} is an apocalyptic number.

It is an amenable number.

42321213131432 is a deficient number, since it is larger than the sum of its proper divisors (37049632177708).

42321213131432 is a wasteful number, since it uses less digits than its factorization.

42321213131432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1238045852 (or 1238045848 counting only the distinct ones).

The product of its digits is 20736, while the sum is 32.

Adding to 42321213131432 its reverse (23413131212324), we get a palindrome (65734344343756).

The spelling of 42321213131432 in words is "forty-two trillion, three hundred twenty-one billion, two hundred thirteen million, one hundred thirty-one thousand, four hundred thirty-two".